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Finding the Fourth Proportional to 453,069.93, 679,601.85 and 153,761.24

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Solution

The fourth proportional to 453,069.93, 679,601.85 and 153,761.24 is: 230,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,069.93 : 679,601.85 = 153,761.24 : x
  2. Step 2: Convert to fraction form
    453,069.93/679,601.85 = 153,761.24/x
  3. Step 3: Cross multiply
    453,069.93x = 679,601.85 × 153,761.24
  4. Step 4: Simplify right side
    453,069.93x = 104,496,419,764.29
  5. Step 5: Solve for x
    x = 104,496,419,764.29/453,069.93
  6. Step 6: Final answer
    x = 230,640.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.